STP90N55F4 by STMicroelectronics Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。STP90N55F4 Price reference $ 1.089390。STP90N55F4 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information STP90N55F4 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial